Brick rougher and sander



J .G.KERS T BRICK ROUGHER AND SANDER.

(No Model.)

Patented Mar. 24, 1896 NITED STATES PATENT OFFICE.

JOHN G. KERST, OF SPRINGFIELD, ILLINOIS.

BRICK ROUGHER AND SANDER.

SPECIFICATION forming part of Letters Patent N 0. 556,988, dated March24, 1896.

Application filed September 27, 1895. Serial No. 563,881. (No model.)

To all whom it may concern.-

Be it known that I, JOHN G. KERST, of the city of Springfield, county ofSan gamon, and State of Illinois, have invented certain new and usefulImprovements in a Brick Rougher and Sander; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,reference being had to the accompanying drawings, which form part ofthis specification.

This invention relates to certain new and useful improvements inbrick-machines, having for its objects, among others, to provide asimple and cheap yet efficient machine which will roughen the mortarsides of bricks, that the same may better hold in use, and also to sandthe green brick on its edges or top and bottom to prevent the bricksfrom sticking together while being burned in the kiln.

Other objects and advantages of the invention will hereinafter appear,and the novel features thereof will be specifically defined by theappended claims.

The invention is clearly illustrated in the accompanying drawings,which, with the letters of reference marked thereon, form a part of thisspecification, and in which- Figure 1 is a side elevation of my improvedmachine. Fig. 2 is an end view looking at the delivery end with thesanding devices removed. Fig. 3 is a detail in end elevation, showingthe pusher and the rods connected therewith. Fig. 4 is a detail in endelevation, showing the sanding and roughening mechanism. Fig. 5 is ahorizontal section on the line 5 5 of Fig. 4, looking in the directionof the arrows. Fig. 6 is a section on the line 6 6 of Fig. 5, looking inthe direction of the arrows. Fig. '7 shows details of theroughening-plates.

Like letters of reference indicate like parts throughout the severalviews.

Referring now to the details of the drawings by letter, A designates theframework or support of the operating parts.

B is an endless belt or apron mounted .to travel upon the rollers 19,the shafts b of which are mounted to revolve in suitable boxes B on theframe A, as shown in Figs. 1 and 2. This belt or apron is designed toreceive the brick X as it comes from the molds or machine in which it isformed. ,It is designed to travel in the direction of the arrow in Fig.1, deriving its motion from anysuitable source. (Not shown.)

C is a shaft mounted to oscillate in the frame A and extendedtransversely thereof, as indicated by dotted lines in Fig. 2. It isextended at one end beyond the frame, as shown, and fast upon thisextended portion is an arm 0 carrying at its lower end, upon astub-shaft G a roller 0 designed to travel in the groove cl of the camD, which cam is carried by the shaft D suitably mounted in the frame.

D is a spring, one end of which is connected with the arm 0 between itsends, the other end being screw-threaded and passed through an openingin the lug or analogous provision d on the frame and provided with a nut(1 by means of which the tension of the spring may be regulated as maybe required. This spring serves to aid in returning the arm 0 to itsnormal position.

A is a brace-rod for the frame A.

E are rods or levers fast to the shaft 0 and at their upper endsconnected by the cross-shaft E, to which are pivotally connected theupper ends of the push-bars F, which bars or rods are connected at theirother ends with the pusher G, to the ends of which the rods or bars areconnected in any suitable manner, and to this pusher is hinged, as atg,the pusherplate G, as seen best in Fig. 3. The ends of the pusher areprovided with the pins or projections g, as shown best in Fig. 3, whichare designed to travel in the cam-paths 7t provided by the substantiallydiamond-shaped switch-plates H, one on each side of the machine and eachpivoted near its center, as at h, (see Fig. 1,) and beneath which platesthe said pins are designed to travel in pushing the brick forward, andover which plates the said pins travel in the'backward movement of thepusher, as will be hereinafter explained.

I is a spring, one for each switch-plate and each attached at one end toits plate H to the rear of its pivot and its other end held in a lug orbracket 1, as seen in Fig. 1, to normally hold the rear end of the saidplate in its downward position by its compression.

J is a box designed to contain sand, from which it is fed or caused toflow through the tubes J, the lower ends of which are flaring, as seenin Fig. 6, to better spread the sand, and this box or hopper may besupported at any desired distance above the platform or table A in anysuitable manner, as by the posts or pillars j, as shown in Fig. 1. Thesetubes are designed to discharge the sand into the chamber K (shown inhorizontal section in Fig. 5,) and which is provided with the partitionstherein shown. These partitions L have their front ends rounded, as seenat Z, and their other ends are mounted to vibrate and are pressedlightly inward by the springs L arranged between the same and the wallsof the chamber, as seen best in Figs. at and 5, being provided with adjustingnuts Z, by which the tension thereof may be regulated and adjustedas occasion may require. The entrance end of the chamber K is enlarged,as seen at Ya, by having the metal thereof turned upward.

The platform or table A has an opening A adjacent to the discharge endof the chamber K, as shown in Fig. (5 by full lines and by dotted linesin Fig. 1, through which the surplus or waste sand is allowed to fall.

At the discharge end of the chamber K are the plates M, the acting edgesof which are serrated, as seen in Fig. 7. These plates are held inoperative position at top and bottom of the end of the chamberby therods m passed through ears on the said plates and corresponding ears onthe walls of the chamber. The upper plate is an angle-plate, as shown.

\Vith the parts constructed and arranged substantially as above setforth, the operation is as follows: Motion being given to the variousparts in any convenient manner and the brick fed to or placed upon thebelt or apron B, which travels in the direction of the arrow in Fig. 1,the levers E and push-rods F are actuated through the medium of the camand arm C, the pins g on the pusher entering in the groove or waybeneath the switch-plates II, and in the continued movement of the camthe said pins are pushed to the most forward limit of the groove, asindicated by dotted lines in Fig. 1, and as soon as the pins have passedthe lower end of the said plates the spring I serves to force up theupper end of the plates and the lower end thereof downward, so that inthe continued movement of the cam the pins will. travel up the upperface of the said plates, compressing the spring till the pins freethemselves from engagement with the plates and drop down again to repeattheir travel upon the under side of the plate to push another brickalong.

It will be understood that the cam and parts are so timed that thebricks will be carried along by the belt at just the required intervals,so that by the time the pusher returns to its normal position afterhaving pushed one brick into the sand-box the next brick will have movedso as to be in front of the pusher to be in position to be engaged bythe pusher. The first brick acted upon is pushed by the pusher into thechamber K and there left until the next brick is forced against it bythe pusher and forced through the chamber between the partitions andthrough the sand that has dropped thereinto through the tubes connectedwith the sand-box, and the sand is partially rubbed oif by the vibratingpartitions, and as the brick emerges from the chamber it is roughenedtop and bottom by the roughening-plates M. The hinged plate G of thepusher prevents injury to the brick or pusher should a brick happen tocome irregularly along the belt.

Modifications in detail may be resorted to without departing from thespirit of the invention or sacrificing any of its advantages.

hat I claim as new is- 1. The combination in a brick-sanding machine,with the sanding devices and the brickcarrying belt and with a pusherhaving pins and its actuating means, of pivoted plates forming withplates on the side of the machine, a path to be traversed by pins onsaid pusher, as set forth.

2. The combination in a brick-sanding ma chine,with the sanding devicesand the brickcarrying belt and with a pusher having pins at its ends, ofmeans for actuating said pusher, and pivoted substantiallydiamond-shaped plates and plates 011 the side of the machine fordetermining the path traversed by said pins, substantially as specified.

The combination in a brick-sanding machine,with the sanding devices andthe brick carrying belt and with a pusher having pins, of the pivotedplates and plates on the side of the machine determining the path to betraveled by said pins, and a spring acting upon said plates to changethe course of said pins, substantially as specified.

4E. The combination in a brick-sanding machine, with the sanding devicesof the bolt, the pusher, the switch-plates, plates on the side of themachine, and the pins on said pusher adapted to travel first upon thelower and then upon the upper face of said plates, and means forreciprocating said pusher, as set forth.

5. In a brick-sanding machine, in combination with the devices formoving the brick, a sanding chamber provided with vibrating partitionswith their front ends rounded and their rear ends spring-pressed, meansfor supplying sand to said chamber, and serrated plates at the dischargeend of said chamber, substantially as and for the purpose specified.

6. The combination in a brick-sanding machine and with the sandingdevices and with the belt, the transverse shaft with the levers and therod or arm with roller, of the cam having a groove in which said rollertravels, the pusher-rods pivotally connected with the said levers, thepusher carried by said rods, and the switch-plates and plates on theside of the machine for determining the path traveled by said pusher,substantially as specified.

7. In a brick sanding and roughening machine, the combination of thebelt and the sanding devices, the pusher and its pivoted pusher-rods andthe cam and connections for actuating the same, the pins on the pusher,and the pivoted diamond-shaped plates and plates on the side of themachine for determining the course traveled by said pins, substantiallyas specified.

8. The combination with the sanding-chamber with its partitions, Withtheir front ends rounded and their rear ends spring-pressed, of thetubes for supplying the sand to the chamber between the partitions,substantially as specified.

9. The combination with the sanding-chamber having partitions, Withtheir front ends rounded and their rear ends spring-pressed and themeans for forcing bricks therethrough, of the tubes for supplying sandto the chambers through the top of the same, substantially as specified.

JOHN G. KERST.

Witnesses:

EDWARD FURROW, ELMER L. CAPPE.

